Finding the Fourth Proportional to 183,345.12, 253,027.95 and 102,772.68
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Solution
The fourth proportional to 183,345.12, 253,027.95 and 102,772.68 is: 141,832.85
Step by Step Solution
- Step 1: Write the proportion equation
183,345.12 : 253,027.95 = 102,772.68 : x - Step 2: Convert to fraction form
183,345.12/253,027.95 = 102,772.68/x - Step 3: Cross multiply
183,345.12x = 253,027.95 × 102,772.68 - Step 4: Simplify right side
183,345.12x = 26,004,360,536.41 - Step 5: Solve for x
x = 26,004,360,536.41/183,345.12 - Step 6: Final answer
x = 141,832.85
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.